#include <stdio.h>

int main() {
    int n;
    while (scanf_s("%d", &n) != EOF) {
        for (int i = 0; i < n; ++i) {
            for (int j = 0; j < n; ++j) {
                if (i == j)
                    printf("*");
                else if (j == n - i - 1)
                    printf("*");
                else
                    printf(" ");
            }
            printf("\n");
        }
    }
    return 0;
}